Influence of soil pH in vegetative filter strips for reducing soluble nutrient transport.

摘要: Low efficacy of vegetative filter strips (VFS) in reducing soluble nutrients has been reported research articles. Solubility phosphorus and nitrogen compounds is largely affected by pH soil. Changing soil may result a decrease nutrient transportation through VFS. This study was conducted to evaluate the effect levels VFS on transport reduction from manure-borne runoff. Soil (loamy sand texture; bulk density 1.3 g cm−3) treated with calcium carbonate change at different treatment (5.5–6.5, 6.5–7.5, 7.5–8.5), packed into galvanized metal boxes, tall fescue grasses were established boxes simulate Boxes placed an open environment, tilted 3.0% slope, 44.0 L manure-amended water applied pump rate 1.45 L min−1. Water samples collected inlet outlet as well leachate. Samples analysed for ortho-phosphorus, ammonium nitrogen, n...